6620670111 has 16 divisors (see below), whose sum is σ = 10196540928. Its totient is φ = 3776496000.

The previous prime is 6620670097. The next prime is 6620670143. The reversal of 6620670111 is 1110760266.

It is not a de Polignac number, because 6620670111 - 2⁵ = 6620670079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6620670011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5900215 + ... + 5901336.

It is an arithmetic number, because the mean of its divisors is an integer number (637283808).

Almost surely, 2^6620670111 is an apocalyptic number.

6620670111 is a deficient number, since it is larger than the sum of its proper divisors (3575870817).

6620670111 is a wasteful number, since it uses less digits than its factorization.

6620670111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11801582.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 6620670111 is about 81367.5003364365. The cubic root of 6620670111 is about 1877.7336231500.

The spelling of 6620670111 in words is "six billion, six hundred twenty million, six hundred seventy thousand, one hundred eleven".